in fact, it's something that the government are trying to push through parliament now. the queen raised this in her address to the commonwealth last year and since then, it hasn't been made legislation. i suspect it will be made legislation very quickly now that we know that the duke and duchess of cambridge are expecting a baby, because as you rightly point out, this legislation will mean that should this baby be a girl, she will be an historic girl because she will be queen regardless of any male heirs born after that, the firstborn, if she were a girl. she would be a historic child. >> the other fascinating twist to this, of course, is that one of the reasons that some women, many women apparently, get this condition, hyperemesis gravidarum, is because they're expecting twins. if that is the case, how would that affect the succession? is it literally the first one out is the heir? >> like you say, if this legislation comes into play, which i suspect it will ahead of the birth, then yes, if the firstborn, the first twin to birth is a girl, then she will take precedenc